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FZN25-12 Indoor high voltage vacuum load switch

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Lead time: Sample is available in 2-3 working days;
The regular order will be usually 20-30 working days after receipt of 30% advance payment

Quality Guarantee: We offer 18 months’ warranty period, and 20 years’ quality guarantee period

Payment Terms: T/T, L/C, Western Union or Paypal

Trade term: FOB or CIF prices

We’re professional OEM manufacturer, and also accept the customized products according to the supplied drawings or parameters

Description
      FZN25-12  Indoor high voltage vacuum load switch & FZRN25-12D fuse combination is  three-phase AC 50HZ, 12KV power distribution system control and protection  devices. FZRN12-12D Load Break Switch-Fuse Combination is made up of FN12-12D load switch and SDLAJ-12(XRNTD-10) H.V current limiting Fuse.
      The  switch is used for 12KV,50Hz for breaking and switching load current, no load  transformer cable charging current and closing short-circuit current. The load  switch with earth switch can switch short-circuit current. They’re widely  applied  in mining industries, urban  buildings and other places. They have a more reliable protection, especially  for ring network, dual-radiation power supply unit and box-type substation.

Environment  condition
 - Ambient temperature: -25℃~+40℃
 - Altitude: ≤1000m
 - Relative humidity: monthly average ≤90%; daily  average: ≤95%
 - Wind pressure: ≤700Pa (equals to wind speed 34m/s)
 - Air contamination degree: IV degree

- Earthquake intensity: ≤8 degree
 - No corrosive or flammable gas

Technical  Data

NO.ITEMFZN25-12/T630-20FZRN25-12D/T125-31.5
 1 Rated voltage (kV)12
 2 Rated frequency (HZ)50
 3 Rated current (A)6301250
4Rated peak withstand current (dynamic stability) (kA)50-
 54s thermo stability current (kA)20-
 6 The rating active the breaking current (A)630-
 7 Rated closed loop breaking current (A)630-
 8 Rated cable charge breaking current (A)10-
 9 Rated breaking no load transformer capacity (VA)1600
 10 Rated shift electric current (A)-2000
 11 Fuse model-SDLAJ-12 SFLAJ-12
 12 Ram output energy2~5 (Middle grade)
 13 Rated short circuit making electric current (kA)50
 14 Earthing switch rated dynamic stability current (kA)50
 15 Earthing switch 2s thermal stability current (kA)20
 16 Auxiliary loop rated voltage (V)AC/DC220, 110
 17Mechanical life (Time)10000

Outline & Mounting Dimensions 

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